A ball is thrown vertically upwards. Which of the following graph/graphs represent velocity-time graph of the ball during its flight (air resistance is neglected)?

The velocity displacement graph of a particle moving along a straight line is shown in the figure.

Then, the acceleration displacement graph is

The position-time $x-t$ graphs for two children $A$ and $B$ returning from their school $O$ to their homes $P$ and $Q$ respectively, along the straight line path (taken as $x$-axis) are shown in figure.

Choose the correct statement(s):

A particle can travel from point $A$ to $B$ from two different paths $1$ and $2$ as shown, in same interval of time. Then, which of the following is incorrect?